Want to end prejudice? Watch a sitcom

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Photos:Why do Muslims wear that?

Theresa Corbin, who converted to Islam at age 21, chooses to wear the hijab, or head scarf. Other Muslim women around the world wear various garments as part of their faith. Click through the gallery to learn more about them, and read Corbin's story to discover why they are worn.

The hijab, pictured here, is one of the most common items worn by Muslim women. The scarf typically covers the hair, neck and chest but not the face.

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Photos:Why do Muslims wear that?

Niqab – The niqab is a veil that covers the face but has an opening for the eyes.

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Photos:Why do Muslims wear that?

Abaya – Niqab is usually accompanied by the abaya, a long, loose black robe.

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Photos:Why do Muslims wear that?

Chador – The chador is another kind of loose, full-length robe or cloak. It covers the head but not the face.

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Photos:Why do Muslims wear that?

Burqa – The burqa covers a woman from head to toe in a loose veil. It covers the face completely and has a mesh section over the eyes that allows the wearer to see. It is widely worn in Afghanistan.

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Story highlights

A new study found people who watched a sitcom with positive depictions of Muslims had less bias after watching the show

When tested several weeks later, the attitudes toward Muslims improved

(CNN)Ending prejudice may be as easy as turning on your television. Depending on the program, it just might change your view of the world for the better.

Science has shown that exposure to certain programs can make a huge impression, especially if you've had limited exposure to a particular group in the past. This latest study presented to the Society for Personality and Social Psychology found a nationally representative sample of people who watched some episodes of a show called "Little Mosque on the Prairie" had less prejudice toward Muslims and Arabs after watching the show.

"Little Mosque on the Prairie"

This sitcom depicts life in a new mosque in small-town Canada. The characters are positive and fight over issues common in many spiritual communities: what dish to cook for a big celebration or what role women should play in the service. While the group experiences prejudice from airport security and from a radio host in the town, the characters handle the experiences with good humor and the joke is on those who are prejudiced.

When the group in the experiment that watched "Little Mosque" were tested about their feelings, their attitude had shifted and was more favorable than the other group that had watched a sitcom with a predominantly white cast. As a control in the experiment, the other group watched "Friends."

What was even more interesting was that the attitude shift seemed to stick. The group still seemed more favorable to Muslims even four to six weeks after they watched the program.

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"We thought the effect might be dampened with the groups actual media exposure prior to watching the program. Typically Muslims and Arabs are shown on television as more violent and aggressive and are shown in more stereotypical ways like as terrorists," said Sohad Murrar, the study author. Murrar is a graduate student studying social and personality psychology in at the University of Wisconsin-Madison. "It was particularly exciting to see this positive shift it was quite a robust effect, and we think if people's prejudice was dampened in this case, this could be applied to other target groups."

Photos:In the news: Conversations about race

Photos:In the news: Conversations about race

Harvard University police said they were investigating a possible hate crime at the law school after someone covered portraits of black faculty members in tape, according to university officials. Some photographs were defaced with strips of black tape and discovered on November 19. Take a look at other events that brought discussions of race relations and identity to the forefront in 2015.

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Photos:In the news: Conversations about race

Tim Wolfe, president of the University of Missouri, resigned from his post on November 9, 2015, amid a controversy regarding race relations at the school. Wolfe and the rest of the school's administration had been accused of taking little to no action after several racial incidents on campus. A day before the resignation, black players on the school's football team said they would essentially go on strike until Wolfe resigned or was fired.

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In September, 14-year-old Ahmed Mohamed was arrested for making what appeared to be a bomb. The "bomb" was actually a clock he had made on his own. "I built a clock to impress my teacher but when I showed it to her, she thought it was a threat to her," Ahmed said. Outrage over the incident lit up social media as #IStandWithAhmed started trending worldwide on Twitter. Ahmed got an invitation to the White House after the incident.

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On July 23, the WWE terminated its contract with legendary wrestler Hulk Hogan after the National Enquirer released a transcript of statements he made that included racial slurs. The remarks were recorded in an "unauthorized sex tape," according to the Enquirer, and included the N-word in reference to the dating life of his daughter, Brooke. Hogan apologized for the offensive language.

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Photos:In the news: Conversations about race

Officer Ray Tensing fatally shot Samuel Dubose, 43, on July 19 after a struggle at a traffic stop over a missing license tag, Cincinnati police said. Dubose was driving away when Tensing shot him in the head, police said. Tensing said he feared for his life. However, prosecutors said DuBose was not acting aggressively. The case quickly drew attention from "Black Lives Matter" protesters, who accused the white officer of using excessive force on Dubose, who was black. Tensing, who's been charged with murder and voluntary manslaughter, has pleaded not guilty.

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Photos:In the news: Conversations about race

Sandra Bland died at Waller County Jail in Texas on July 13, three days after being arrested for allegedly making an improper lane change. During the traffic stop, authorities say she was belligerent. Authorities say there was no foul play involved in her death. They say Bland hanged herself with a trash bag from a metal barrier that separated the bathroom from the rest of her cell. Her family has said the idea that she committed suicide is unthinkable. Before her death, Bland spoke out frequently on social media about racism and police brutality.

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After flying for 54 years on South Carolina's Capitol grounds, it took only a moment to take down the Confederate flag on July 10, 2015. Years of deep-rooted controversy over the banner gained steam after the June massacre of nine black churchgoers in Charleston. "This flag, while an integral part of our past, does not represent the future of our great state," Gov. Nikki Haley said as she called for its removal.

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Photos:In the news: Conversations about race

In June, multiple fires at predominantly African-American churches in several Southern states were in the spotlight. The fires came in the wake of the massacre at the Emanuel AME Church in Charleston, South Carolina, and raised speculation about arson and hate crimes.

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Photos:In the news: Conversations about race

PBS said on June 24 that it would postpone the third season of "Finding Your Roots" after an internal review that concluded actor Ben Affleck improperly influenced the show to omit the fact that his ancestors owned slaves. The investigation stemmed from reports in April that Affleck had asked the show to edit out the fact that his family history involved slave ownership. Affleck admitted on Facebook to making the request soon after the controversy spilled into the public.

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During an interview released on June 22, Obama dropped the N-word. Obama used the word during an interview for the podcast "WTF with Marc Maron" to make the point that racism is still a problem in our society.

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Nine people died when a gunman opened fire on a Bible study at Emanuel African Methodist Episcopal Church in Charleston, South Carolina, on June 17. A law enforcement official said witnesses told authorities the gunman stood up and said he was there "to shoot black people." Dylann Roof, 21, pleaded not guilty to 33 federal charges, including federal hate crime and firearms charges.

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After Donald Trump described some Mexicans who come to the United States illegally as "killers" and "rapists" in June, Univision, NBC and Macy's later cut ties with the Republican presidential candidate. Jorge Ramos, a prominent Univision host, called Trump's remarks "absurd" and "prejudiced." Trump has stood by his comments and continued his push for a crackdown on illegal immigration.

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Rachel Dolezal stepped down as the head of the Spokane chapter of the NAACP on June 15 amid allegations she lied about her race. Dolezal, is white, but has said she identifies as black. The idea someone might misrepresent themselves by claiming they were black, then earn a leadership position in one of the nation's top advocacy groups for African-Americans, stirred a social media firestorm when the news broke.

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Edgar Antillon, co-owner of Rubbin' Buttz BBQ and Country Cafe in Milliken, Colorado, drew criticism for offering a "White Appreciation Day" discount on June 11. What started as a joke about how there's no holiday that celebrates "the white community" was been misinterpreted as a racially charged promotion, Antillon said.

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Officer Eric Casebolt resigned on June 9, days after a YouTube video showing his response to reports of fighting at a McKinney, Texas, pool party sparked swift allegations of racism. Critics decried the white officer for cursing at several black teenagers, unholstering and waving his gun at boys and throwing a 14-year-old girl to the ground, his knees pressed down on her back. Casebolt's attorney said race had nothing to do with how the officer responded.

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U.S. Rep. Loretta Sanchez apologized on May 17 for an ethnically touchy gaffe that was caught on cell phone video. Sanchez was ad-libbing at a California Democratic Party convention when she made a stereotypical Native American "war cry.""I'm going to his office, thinkin' that I'm gonna go meet with woo-woo-woo-woo, right? 'Cause he said 'Indian-American,'" she said, using the gesture to try to discern between Indian-Americans -- with ancestry from India's subcontinent -- and Native Americans. Many in the audience at the Indian-American caucus reacted with silence.

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Fury erupted in May over incoming Boston University sociology and African-American studies professor Saida Grundy's tweets about white men, race and slavery. Her personal Twitter account was made private, but the Boston Globe reported some of the tweets: "why is white america so reluctant to identify white college males as a problem population?" and "every MLK week i commit myself to not spending a dime in white-owned businesses. and every year i find it nearly impossible." A few days after the debate went into overdrive, Grundy made a statement to the Boston Globe."I regret that my personal passion about issues surrounding these events led me to speak about them indelicately," she said.

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Loretta Lynch was sworn in as the U.S. attorney general on April 27. The nomination of Lynch, the country's first African-American woman to serve in the role, was held up more than five months over politicking in the Senate. Democrats claimed the voting delay was racially motivated, despite GOP protestations otherwise.

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Freddie Gray died on April 19 after allegedly suffering a devastating spinal injury while in police custody. Six Baltimore police officers have been indicted on charges connected with the African-American man's death. All have pleaded not guilty. Activists have claimed race played a role in Gray's arrest and the way officers treated him. Protests and riots broke out in Baltimore on the day of Gray's funeral.

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North Charleston police officer Michael Slager was fired from his job and then charged with murder in the shooting of 50-year-old Walter Scott. Slager pulled over Scott on April 4, reportedly for a broken brake light. Scott was later shot in the back by Slager as he was running away. Scott was black and Slager is white. A bystander recorded the shooting, and the graphic footage sparked outrage and reignited a national conversation around race and policing. Slager's attorney has said that there was a violent struggle before the officer opened fire, that his client plans to plead not guilty and that race has nothing to do with the case. Prosecutors say Slager showed malice of forethought and "executed" Scott. The family of Scott and the city of North Charleston have reached a $6.5 million settlement.

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While Mindy Kaling was working on her Fox sitcom, "The Mindy Project," her brother, Vijay Chokal-Ingam, admitted he pretended to be black to get into medical school. The revelation came in April as Chokal-Ingam, who is of Indian descent, was pitching a book about his experiences as a "hard-partying college frat boy who discovered the seriousness and complexity of America's racial problems while posing as a black man."

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On April 1, a noose was found hanging from a tree at Duke University. Social media pictures spread quickly, causing outrage on campus. Later that day, the Black Student Alliance hosted a march across campus. Hundreds of students of all races marched, chanting, "We are not afraid. We stand together."

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In March, Starbucks received mix responses to its "Race Together" campaign. The company ran full-page ads in The New York Times and USA Today announcing the initiative. Starbucks held open forums for workers to talk about race, and baristas in cities where forums were held began writing the slogan on customers' cups, aiming to spark a dialogue.

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Thousands of people marked the 50th anniversary of "Bloody Sunday" in Selma, Alabama. President Obama made a rousing speech on racial progress in a diverse country. "Our march is not yet finished. But we are getting closer," he said. The violent confrontation with police and state troops on the Edmund Pettus Bridge on March 7, 1965, marked a pivotal point in the Civil Rights Movement.

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The University of Oklahoma severed ties with the Sigma Alpha Epsilon fraternity in March. A video anonymously sent to the school's newspaper on March 7 showed the fraternity chanting, "There will never be a ni**** SAE. You can hang him from a tree, but he can never sign with me." Two members who were leading the chant were expelled. "The song is horrific and does not at all reflect our values as an organization," said Blaine Ayers, executive director of SAE.

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Uproar broke out when White Pride Radio put up a billboard reading, "It's NOT racist to love your people" in Harrison, Arkansas. Thomas Robb, the national director of Knights of the KKK, said there was no racist intent with the billboard. "If anybody sees racism in that billboard, then they themselves are racist," Robb told CNN in January.

Zarqa Nawaz, who created the show, was thrilled to hear that it truly did have an impact even if her intention in creating the show was to address a different prejudice. Before working on the sitcom, Nawaz produced a documentary, "Me & the Mosque," that looked at how women are drawn to Islam because of its emphasis on spiritual equality between the sexes only to find that there is sexism in the mosque. Nawaz wanted to expand upon that theme.

"I wanted to create the sitcom because I was still mad at some Muslims for being so sexist," Nawaz said. "This is fantastic though, that I have inadvertently made my community look good. People ask me all the time, 'Do you think your show makes a difference?' And I have told them 'I have no idea.' Now I know. This is fantastic."

The show struck a cord with Canadian audiences and did well in the ratings. It's been shown in 100 territories around the world, according to the show's producer Mary Darling. It runs on Hulu in the United States.

"So many people don't know any Muslims, and here they are introduced to their community by their TV set. It is one of the reasons I wanted to make the show," Darling said. "Seeing a group you don't know as totally mainstream can be powerful. We're thrilled at these results."

Murrar said next she and her fellow researchers would like to see exactly what is the key ingredient that changed attitudes. Nawaz has a theory.

"People have said to me that the characters are universal and can be found in a church, synagogue or temple. Maybe it is because people can relate to seeing these characters that helps," Nawaz said. When you see people in the show fighting over who runs the bake sale, it is likely a familiar fight in many cultures, she said.

Perhaps if Murrar and her group can find the trigger that shifts prejudice, Murrar said, shows such as "Little Mosque" could be used in diversity training and have other real world applications too. There is potential to, as Murrar said, "produce much more lasting positive social change."